Radon

Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as a decay product of radium. Its most stable isotope, 222Rn, has a half-life of 3.8 days.

Properties

• Phase: Gas
• Density: 9.73 g/cm³
• Melting Point: 202 K
• Boiling Point: 211.5 K

Uses